Thomas Jefferson | Louis Armstrong | Sir | Thomas Edison | Sir Walter Scott | Thomas | Thomas Hardy | Thomas Mann | Lance Armstrong | Thomas Aquinas | Clarence Thomas | Thomas Gainsborough | Neil Armstrong | Dylan Thomas | Thomas Pynchon | St. Thomas | George Armstrong Custer | Saint Thomas, U.S. Virgin Islands | Thomas Carlyle | Thomas the Tank Engine | Thomas Moore | Thomas Cromwell | Thomas Becket | Thomas the Apostle | Thomas Merton | Thomas Tallis | Thomas Paine | Sir Arthur Conan Doyle | Roy Thomas | Thomas Telford |
He was born at Llandaff Court, Llandaff, the son of Colonel Edward Mathews (died 1700), and grandson on his mother's side of Sir Thomas Armstrong (1624–1684) (who was executed in 1684, for his part in the Rye House Plot).